Self-sealing fruit-jar.



N0. 668,50I. Patented Feb. I9, I90I. J. W. DAVIS.

SELF SEALING FRUIT JAR.

(Application filed May 23, 1900.)

(No Model.)

an uemfoz ayzd ATENT Fries.

ire *rnrns JOHN W. DAVIS, OF PALMYRA, ILLINOIS, ASSIGNOR OF ONE-HALF TO FRANK ERNEST DOPHEIDE, OF SAME PLACE.

SELF-S EAL! N G FRU [T -JAR.

SPECIFICATION forming part of Letters Fatent No. 668,501, dated February 19, 1901.

Application filed May 23, 1900, Serial No. 17,709. \No model.)

T (LU Ll/7w?! it y COW/067%: Referring to the figures by numerals of ref- Be it known that I, JOHN W. DAVIS, acitierence, 1 is a jar having a neck 2, which is zen of the United States, residing at Palmyra, provided in its inner surface with an annular in the county of Macoupin and State of Illigroove 3. The upper walletof this groove ex- 5 nois, have invented a new and useful Fruittends inward at right angles to the inner wall Jar, of which the following is a specification. of the neck 2, while the lower wall 5 of said This invention relates to new and useful groove is arranged at an incline, as shown. improvements in preserving-jars; and its pri- This groove is adapted to receive and hold a mary object is to provideadevice of this charring 6, formed of suitable elastic material, as IO acter having a cover of peculiar construction rubber, and which projects outward from the which is adapted to fit tightly within the neck groove 3 and is adapted to engage an annuor mouth of the jar and prevent the escape lar groove 7, formed within the side of a cap or admission of gas and air, respectively. 8. This cap is of such diameter as to be read- A further objectis to providea device which ily inserted into the neck of the jar, and the I5 is simple, durable, inexpensive, and efiective groove thereof is similar in form to the groove in operation. within the neck, with the exception that the To these ends the invention consists in prolower instead of the upper wall is at right anviding the inner wall of the neck of the jar gles to the inner wall of the neck. The rubwith an annular groove having a lower inher ring 6 is preferably tubular; butIdo not 2o clined surface and a square upper surface. limit myself to this form, as, if desired, the

Thisgrooveis adapted to receivearing formed ring may be solid, as shown in Fig. 4. of suitable elastic material which is of greater When it is desired to seal the jar, a rubdiameter than the internal diameter of the ber ring is placed within the groove 3 and neck and which will fit snugly within the the cap 8 is inserted edgewise into the neck 25 groove at all times. This ring extends out of the jar. The cap is then swungintoahoriof the groove within which it is seated and zontal position and drawn upward by means is adapted to fit within an annular groove of the bail or loop 9, formed thereon. The formed within the top or cap of the jar. This upper inclined edge of the cap which first cap is slightly smaller in diameter than the comes into contact with the rubber will force 3o passage within the neck of the bottle, but is the same inward compressing it within the adapted when inserted thereinto to receive groove 3. As the cap continues upward in that portion of the ring which projects from its movement the lower square wall of the the groove within which it is seated, thereby groove 7 will contact with the ring and preforming an air-tight seal. The groove within vent the same from spreading downward. 5 the cap is so constructed as to prevent said The ring will therefore become seated within cap from being drawn upward after being the groove of the cap as well as the groove placedin position unless drawn edgewise from of the neck. Further upward movement of the neck of the bottle. the cap will be prevented, in view of the fact The invention also consists in the further that the ring will be clamped between the up- 0 4o novel construction and combination of parts per square wall of the groove 3 and the lower hereinafter more fully described, and illussimilar wall of groove 7. When it is desired tratedin theaccompanyingdrawings,forming to move the cap, the same is pressed downa part of this specification, and in whichward into the bottle and turned edgewise and Figure 1 is a longitudinal section through removed while in this position. 45 the jar, showing the cap therein before the In the foregoing description I have shown same is removed therefromor placed in sealed the preferred form of my invention; butI do position. Fig. 2 is a longitudinal section not limit myself thereto, asI am aware that through the device, showing the cap in elevamodifications may be made therein without tion. Fig. 3 is a detail view of the packingdeparting from the spirit or sacrificing the 00 50 ring. Fig. 4 is a section through a modified advantages thereof, and I therefore reserve form of ring. the right to make such changes and alterations as fairly fall within the scope of my invention.

Having thus fully described my invention, what I claim as new, and desire to secure by Letters Patent, is

1. The combination with a jar having a groove formed within the neck thereof, of a flexible ring seated within and projecting from the groove, an upper wall to the groove at right angles to the interior wall of the neck, an inclined lower wall to the groove, a cap within the neck having an ann ular groove therein adapted to engage the ring, a lower wall to said groove at right angles to the inner wall of the neck, an upper inclined Wall to said groove, and a loop or bail upon the cap.

JNO. W. DAVIS.

Witnesses:

E. B. CRAWFORD, Mrs. E. WoRTHiNGToN. 

